Trial design
A 13-week, randomized, double-blind, crossover, placebo-controlled trial
was conducted in which patients alternated between receiving adjunctive
120 mg per day of encapsulated raloxifene HCl orally and a placebo
(encapsulated lactose) in addition to their currently prescribed antipsychotic
medication. Encapsulation of raloxifene and placebo in addition to
all quality assessment/control testing (including cleaning validation and
International Conference on Harmonization stability trials) of the
compound over the duration of the study was performed by IDT Australia,
Victoria, Australia. Following the first 6-week period of the trial, all patients
entered a 1-week ‘washout’ (raloxifene half-life = 27.7 h).48 After the
washout, all patients then entered the second 6-week period of the trial
consisting of the alternate treatment (raloxifene or placebo). Assessments
were made at baseline and at the end of weeks 6 and 13 by a psychologist
or psychometrician trained in administration and scoring. Patients were
monitored throughout the trial for the occurrence of adverse events. All
participants and study personnel were blind to the adjunctive treatment
status. The Prince of Wales Hospital Pharmacy Clinical Trials Unit used a
computer generated randomization schedule to assign patients to the
raloxifene-placebo or placebo-raloxifene treatment order conditions.
Treatment compliance and adverse events
At completion of the first and second period of the study, participants
returned any remaining pills. Compliance was assessed based on the
percentage of tablets returned. All patients with treatment compliance
below 80% (total n = 9, period 1: 3 placebo, 1 raloxifene; period 2: 3
placebo, 2 raloxifene) were excluded from the analyses (see Figure 1). All
adverse events were recorded during the 13 weeks of the trial.
Trial designA 13-week, randomized, double-blind, crossover, placebo-controlled trialwas conducted in which patients alternated between receiving adjunctive120 mg per day of encapsulated raloxifene HCl orally and a placebo(encapsulated lactose) in addition to their currently prescribed antipsychoticmedication. Encapsulation of raloxifene and placebo in addition toall quality assessment/control testing (including cleaning validation andInternational Conference on Harmonization stability trials) of thecompound over the duration of the study was performed by IDT Australia,Victoria, Australia. Following the first 6-week period of the trial, all patientsentered a 1-week ‘washout’ (raloxifene half-life = 27.7 h).48 After thewashout, all patients then entered the second 6-week period of the trialconsisting of the alternate treatment (raloxifene or placebo). Assessmentswere made at baseline and at the end of weeks 6 and 13 by a psychologistor psychometrician trained in administration and scoring. Patients weremonitored throughout the trial for the occurrence of adverse events. Allparticipants and study personnel were blind to the adjunctive treatmentstatus. The Prince of Wales Hospital Pharmacy Clinical Trials Unit used acomputer generated randomization schedule to assign patients to theraloxifene-placebo or placebo-raloxifene treatment order conditions.Treatment compliance and adverse eventsAt completion of the first and second period of the study, participants
returned any remaining pills. Compliance was assessed based on the
percentage of tablets returned. All patients with treatment compliance
below 80% (total n = 9, period 1: 3 placebo, 1 raloxifene; period 2: 3
placebo, 2 raloxifene) were excluded from the analyses (see Figure 1). All
adverse events were recorded during the 13 weeks of the trial.
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